Technique:SSAW[belle-alan at hotmail dot com]
Specification:
2.Material :Q235,Q345.X42 to X80
3.OD:219mm-3000mm
5.Usage:Boiler use,water transport,buiding,machinery,traffic aviation oil development ,etc.
6.Surface:Black paint as rusty protect or as request
7.Techniques:ERW or SSAW
8.Packing: bundle packing